/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.api.common;

import org.apache.flink.annotation.Internal;

import java.io.Serializable;
import java.util.Collections;
import java.util.Map;

/**
 * Serializable class which is created when archiving the job.
 * It can be used to display job information on the web interface
 * without having to keep the classloader around after job completion.
 */
@Internal
public class ArchivedExecutionConfig implements Serializable {

	private static final long serialVersionUID = 2126156250920316528L;

	private final String executionMode;
	private final String restartStrategyDescription;
	private final int parallelism;
	private final boolean objectReuseEnabled;
	private final Map<String, String> globalJobParameters;

	public ArchivedExecutionConfig(ExecutionConfig ec) {
		executionMode = ec.getExecutionMode().name();
		if (ec.getRestartStrategy() != null) {
			restartStrategyDescription = ec.getRestartStrategy().getDescription();
		} else {
			restartStrategyDescription = "default";
		}
		parallelism = ec.getParallelism();
		objectReuseEnabled = ec.isObjectReuseEnabled();
		if (ec.getGlobalJobParameters() != null
				&& ec.getGlobalJobParameters().toMap() != null) {
			globalJobParameters = ec.getGlobalJobParameters().toMap();
		} else {
			globalJobParameters = Collections.emptyMap();
		}
	}

	public ArchivedExecutionConfig(
			String executionMode,
			String restartStrategyDescription,
			int parallelism,
			boolean objectReuseEnabled,
			Map<String, String> globalJobParameters) {
		this.executionMode = executionMode;
		this.restartStrategyDescription = restartStrategyDescription;
		this.parallelism = parallelism;
		this.objectReuseEnabled = objectReuseEnabled;
		this.globalJobParameters = globalJobParameters;
	}

	public String getExecutionMode() {
		return executionMode;
	}

	public String getRestartStrategyDescription() {
		return restartStrategyDescription;
	}

	public int getParallelism() {
		return parallelism;
	}

	public boolean getObjectReuseEnabled() {
		return objectReuseEnabled;
	}

	public Map<String, String> getGlobalJobParameters() {
		return globalJobParameters;
	}
}
